1220541

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 36

約数和(自身を含む): 2084832

約数和(自身を除く): 864291

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 361, 399, 437, 483, 931, 1083, 1127, 1311, 2527, 2793, 3059, 3381, 7581, 8303, 9177, 17689, 21413, 24909, 53067, 58121, 64239, 174363, 406847, 1220541]

約数ペア:

[(1, 1220541), (3, 406847), (7, 174363), (19, 64239), (21, 58121), (23, 53067), (49, 24909), (57, 21413), (69, 17689), (133, 9177), (147, 8303), (161, 7581), (361, 3381), (399, 3059), (437, 2793), (483, 2527), (931, 1311), (1083, 1127)]